Package org.activiti.explorer.conf

Source Code of org.activiti.explorer.conf.DemoDataConfiguration

/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package org.activiti.explorer.conf;

import java.io.InputStream;
import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;

import javax.annotation.PostConstruct;

import org.activiti.engine.IdentityService;
import org.activiti.engine.ManagementService;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.RuntimeService;
import org.activiti.engine.TaskService;
import org.activiti.engine.identity.Group;
import org.activiti.engine.identity.Picture;
import org.activiti.engine.identity.User;
import org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl;
import org.activiti.engine.impl.util.IoUtil;
import org.activiti.engine.repository.Deployment;
import org.activiti.engine.repository.Model;
import org.activiti.engine.runtime.Job;
import org.activiti.engine.task.Task;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;


/**
* @author Joram Barrez
*/
@Configuration
public class DemoDataConfiguration {
 
  protected static final Logger LOGGER = LoggerFactory.getLogger(DemoDataConfiguration.class);

  @Autowired
  protected IdentityService identityService;
 
  @Autowired
  protected RepositoryService repositoryService;
 
  @Autowired
  protected RuntimeService runtimeService;
 
  @Autowired
  protected TaskService taskService;
 
  @Autowired
  protected ManagementService managementService;
 
  @Autowired
  protected ProcessEngineConfigurationImpl processEngineConfiguration;
 
  @Autowired
  protected Environment environment;
 
  @PostConstruct
  public void init() {
    if (Boolean.valueOf(environment.getProperty("create.demo.users", "true"))) {
      LOGGER.info("Initializing demo groups");
      initDemoGroups();
      LOGGER.info("Initializing demo users");
      initDemoUsers();
    }
   
    if (Boolean.valueOf(environment.getProperty("create.demo.definitions", "true"))) {
      LOGGER.info("Initializing demo process definitions");
      initProcessDefinitions();
    }
   
    if (Boolean.valueOf(environment.getProperty("create.demo.models", "true"))) {
      LOGGER.info("Initializing demo models");
      initModelData();
    }
   
    if (Boolean.valueOf(environment.getProperty("create.demo.reports", "true"))) {
      LOGGER.info("Initializing demo report data");
      generateReportData();
    }
  }
 
  protected void initDemoGroups() {
    String[] assignmentGroups = new String[] {"management", "sales", "marketing", "engineering"};
    for (String groupId : assignmentGroups) {
      createGroup(groupId, "assignment");
    }
   
    String[] securityGroups = new String[] {"user", "admin"};
    for (String groupId : securityGroups) {
      createGroup(groupId, "security-role");
    }
  }
 
  protected void createGroup(String groupId, String type) {
    if (identityService.createGroupQuery().groupId(groupId).count() == 0) {
      Group newGroup = identityService.newGroup(groupId);
      newGroup.setName(groupId.substring(0, 1).toUpperCase() + groupId.substring(1));
      newGroup.setType(type);
      identityService.saveGroup(newGroup);
    }
  }

  protected void initDemoUsers() {
    createUser("kermit", "Kermit", "The Frog", "kermit", "kermit@activiti.org",
            "org/activiti/explorer/images/kermit.jpg",
            Arrays.asList("management", "sales", "marketing", "engineering", "user", "admin"),
            Arrays.asList("birthDate", "10-10-1955", "jobTitle", "Muppet", "location", "Hollywoord",
                          "phone", "+123456789", "twitterName", "alfresco", "skype", "activiti_kermit_frog"));
   
    createUser("gonzo", "Gonzo", "The Great", "gonzo", "gonzo@activiti.org",
            "org/activiti/explorer/images/gonzo.jpg",
            Arrays.asList("management", "sales", "marketing", "user"),
            null);
    createUser("fozzie", "Fozzie", "Bear", "fozzie", "fozzie@activiti.org",
            "org/activiti/explorer/images/fozzie.jpg",
            Arrays.asList("marketing", "engineering", "user"),
            null);
  }
 
  protected void createUser(String userId, String firstName, String lastName, String password,
          String email, String imageResource, List<String> groups, List<String> userInfo) {
   
    if (identityService.createUserQuery().userId(userId).count() == 0) {
     
      // Following data can already be set by demo setup script
     
      User user = identityService.newUser(userId);
      user.setFirstName(firstName);
      user.setLastName(lastName);
      user.setPassword(password);
      user.setEmail(email);
      identityService.saveUser(user);
     
      if (groups != null) {
        for (String group : groups) {
          identityService.createMembership(userId, group);
        }
      }
    }
   
    // Following data is not set by demo setup script
     
    // image
    if (imageResource != null) {
      byte[] pictureBytes = IoUtil.readInputStream(this.getClass().getClassLoader().getResourceAsStream(imageResource), null);
      Picture picture = new Picture(pictureBytes, "image/jpeg");
      identityService.setUserPicture(userId, picture);
    }
     
    // user info
    if (userInfo != null) {
      for(int i=0; i<userInfo.size(); i+=2) {
        identityService.setUserInfo(userId, userInfo.get(i), userInfo.get(i+1));
      }
    }
   
  }
 
  protected void initProcessDefinitions() {
   
    String deploymentName = "Demo processes";
    List<Deployment> deploymentList = repositoryService.createDeploymentQuery().deploymentName(deploymentName).list();
   
    if (deploymentList == null || deploymentList.isEmpty()) {
      repositoryService.createDeployment()
        .name(deploymentName)
        .addClasspathResource("org/activiti/explorer/demo/process/createTimersProcess.bpmn20.xml")
        .addClasspathResource("org/activiti/explorer/demo/process/VacationRequest.bpmn20.xml")
        .addClasspathResource("org/activiti/explorer/demo/process/VacationRequest.png")
        .addClasspathResource("org/activiti/explorer/demo/process/FixSystemFailureProcess.bpmn20.xml")
        .addClasspathResource("org/activiti/explorer/demo/process/FixSystemFailureProcess.png")
        .addClasspathResource("org/activiti/explorer/demo/process/simple-approval.bpmn20.xml")
        .addClasspathResource("org/activiti/explorer/demo/process/Helpdesk.bpmn20.xml")
        .addClasspathResource("org/activiti/explorer/demo/process/Helpdesk.png")
        .addClasspathResource("org/activiti/explorer/demo/process/reviewSalesLead.bpmn20.xml")
        .deploy();
    }
   
    String reportDeploymentName = "Demo reports";
    deploymentList = repositoryService.createDeploymentQuery().deploymentName(reportDeploymentName).list();
    if (deploymentList == null || deploymentList.isEmpty()) {
      repositoryService.createDeployment()
        .name(reportDeploymentName)
        .addClasspathResource("org/activiti/explorer/demo/process/reports/taskDurationForProcessDefinition.bpmn20.xml")
        .addClasspathResource("org/activiti/explorer/demo/process/reports/processInstanceOverview.bpmn20.xml")
        .addClasspathResource("org/activiti/explorer/demo/process/reports/helpdeskFirstLineVsEscalated.bpmn20.xml")
        .addClasspathResource("org/activiti/explorer/demo/process/reports/employeeProductivity.bpmn20.xml")
        .deploy();
    }
   
  }

  protected void generateReportData() {
    // Report data is generated in background thread
     
    Thread thread = new Thread(new Runnable() {
     
      public void run() {
       
        // We need to temporarily disable the job executor or it would interfere with the process execution
        processEngineConfiguration.getJobExecutor().shutdown();
       
        Random random = new Random();
       
        Date now = new Date(new Date().getTime() - (24 * 60 * 60 * 1000));
        processEngineConfiguration.getClock().setCurrentTime(now);
       
        for (int i=0; i<50; i++) {
         
          if (random.nextBoolean()) {
            runtimeService.startProcessInstanceByKey("fixSystemFailure");
          }
         
          if (random.nextBoolean()) {
            identityService.setAuthenticatedUserId("kermit");
            Map<String, Object> variables = new HashMap<String, Object>();
            variables.put("customerName", "testCustomer");
            variables.put("details", "Looks very interesting!");
            variables.put("notEnoughInformation", false);
            runtimeService.startProcessInstanceByKey("reviewSaledLead", variables);
          }
         
          if (random.nextBoolean()) {
            runtimeService.startProcessInstanceByKey("escalationExample");
          }
         
          if (random.nextInt(100) < 20) {
            now = new Date(now.getTime() - ((24 * 60 * 60 * 1000) - (60 * 60 * 1000)));
            processEngineConfiguration.getClock().setCurrentTime(now);
          }
        }
       
        List<Job> jobs = managementService.createJobQuery().list();
        for (int i=0; i<jobs.size()/2; i++) {
          processEngineConfiguration.getClock().setCurrentTime(jobs.get(i).getDuedate());
          managementService.executeJob(jobs.get(i).getId());
        }
       
        List<Task> tasks = taskService.createTaskQuery().list();
        while (!tasks.isEmpty()) {
          for (Task task : tasks) {
           
            if (task.getAssignee() == null) {
              String assignee = random.nextBoolean() ? "kermit" : "fozzie";
              taskService.claim(task.getId(), assignee);
            }

            processEngineConfiguration.getClock().setCurrentTime(new Date(
                task.getCreateTime().getTime() + random.nextInt(60 * 60 * 1000)));
           
            taskService.complete(task.getId());
          }
         
          tasks = taskService.createTaskQuery().list();
        }

        processEngineConfiguration.getClock().reset();
       
        processEngineConfiguration.getJobExecutor().start();
        LOGGER.info("Demo report data generated");
      }
     
    });
    thread.start();
  }
 
  protected void initModelData() {
    createModelData("Demo model", "This is a demo model", "org/activiti/explorer/demo/model/test.model.json");
  }
 
  protected void createModelData(String name, String description, String jsonFile) {
    List<Model> modelList = repositoryService.createModelQuery().modelName("Demo model").list();
   
    if (modelList == null || modelList.isEmpty()) {
   
      Model model = repositoryService.newModel();
      model.setName(name);
     
      ObjectNode modelObjectNode = new ObjectMapper().createObjectNode();
      modelObjectNode.put("name", name);
      modelObjectNode.put("description", description);
      model.setMetaInfo(modelObjectNode.toString());
     
      repositoryService.saveModel(model);
     
      try {
        InputStream svgStream = this.getClass().getClassLoader().getResourceAsStream("org/activiti/explorer/demo/model/test.svg");
        repositoryService.addModelEditorSourceExtra(model.getId(), IOUtils.toByteArray(svgStream));
      } catch(Exception e) {
        LOGGER.warn("Failed to read SVG", e);
      }
     
      try {
        InputStream editorJsonStream = this.getClass().getClassLoader().getResourceAsStream(jsonFile);
        repositoryService.addModelEditorSource(model.getId(), IOUtils.toByteArray(editorJsonStream));
      } catch(Exception e) {
        LOGGER.warn("Failed to read editor JSON", e);
      }
    }
  }
 
}
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